Former Owner
- Isabel d'Oyembrugge de Duras1
- James Elwin Millard1
- Jean de Falloize1
- Jean-Baptiste Denis Guyon de Sardière1
- Jeremiah Styles1
- John B. Stetson Jr.1
- John Boyd Thacher I1
- John Caryll1
- John Ruskin1
- Joseph Barrois1
- Juana I of Castile1
- Justin MacCarthy Reagh1
- Katholieke Universiteit te Leuven Universiteitsbibliotheek1
- Kloster Kuringen1
- Mademoiselle de Malberghe1
- Margaret of Croy1
- Mary W. T. Dickinson1
- Mary, Queen of Scots1
- Merlemont family1
- Milton Fischmann1